Varia Vol. 84, 2021/1 - pagesPages 1 to 34Prevalence and determinants of the psychiatric hospital’s psychosocial risksBy Marie-Christine Piperini, Rawad Chaker, Stéphane Simonian, Jean-Philippe Garcia, Arnaud Simeone, Sylvia TopouzkhanianPages 35 to 61Commitment to change and turnover: A test of the three-component modelBy Véronique Robert, Christian VandenberghePages 63 to 87Sharedness evolution within soccer team in training: A longitudinal studyBy Thibault Kerivel, Cyril Bossard, Mathieu Feigean, Gilles KermarrecPages 89 to 112Relationship between mental rotation ability, clinical experience and navigation performance in simulated prenatal sonographyBy Assaf Botzer, Ronnie Tepper, Michael Wagner, Oren Musicant